the march for a more just, more equal, more free, more caring and procedure prosperous america. >> a president who rarely remarks on race at the time when challenges have shaken equality in this country. voting rights. marriage equality. immigration reform and lingering problems of racial profiling after the death of an unarmed black florida teen. >> when trayvon martin was first shot, i said that this could have been my son. another way of saying that is that trayvon martin could have been me. >> for now, on this day, a moment to look back at where we were and where we are, and celebrate where we're going. >> free at last! free at last! thank god almighty, we are free at last! i have a dream! >> hi, everybody. good morning. i'm thomas roberts. we are going to be writing you live coverage throughout all of today's special events commemorating the 50th anniversary of the march on washington. helping to kick off our special coverage, chris matthews, host of msnbc "hardball" is live in washington, d.c. at the lincoln memorial and where all of today's event will take place. chris, good m